Regardless the size and the scope of business performance, optimization of costs and expenses is the necessary prerequisite of stable, successful, and continuous business growth. Even with the increasing network of Internet connections, the use of envelopes does not lose its relevance; here, businesses have to make a grounded choice between self-seal and pre-pasted envelopes. Several different factors will help review the benefits and drawbacks of both envelope types: these include the cost, convenience in use, and the benefits such envelopes may bring to particular business.